Define the term ‘calibration’ and state its need for measuring instruments.
What are the three types of electrical measuring instruments?
State errors occurring in wattmeter and suggest method for overcoming such types of errors (Any six). Answer : Wattmeter is an important instrument used to measure electrical power. However, it can experience various types of errors due to different factors. Below are six common errors in wattmeter ... By understanding and correcting these errors, the wattmeter can provide more accurate power measurements....
State the types of errors (Any four).
State failure phenomena observed in insulating material. State four reasons for failure of gaseous and solid dielectric materials.
State the desirable qualities of measuring instrument and explain any two in brief.
State the reasons of skewed rotor bars in 3 φ squirrel cage I.M.
State errors occurring in measurement of electrical power.
State the various errors in single phase electronic energy meter.
State the differences between analog instruments and digital instruments.
Why the state of charge of a nickel-iron cell cannot be determined by measuring the specific gravity of the electrolyte ?
Explain the reasons for failure of gaseous and solid dielectric materials used in electrical engineering application.
List the various errors occurred in dynamometer type wattmeter and describe the way of compensating any one type of error.
Give the causes and impact and reasons for grid system faults.
A uniform illumination of 150 lux is to be obtained on the floor of a room measuring 15m x 15m by arranging electric lights suitably. Calculate the number of lamps and wattage of each ... lamp efficiency is 20 lumens/watt. Assume and write suitable values of constants required for this calculation.
What are active and passive instruments?
What are the active and passive instruments?
Difference between megger test equipment and contact resistance meter test instruments?
Distinguish between: (i) Absolute and secondary instruments (ii) Analog and digital instruments.
State the meaning of FACTS and explain in brief d-types facts controller.
State any four types of faults and their causes in electrical power system
What are three reasons Arduino is so popular?
What are the methods for measuring power quality in transmission?
Why is hysteresis undesirable in a measuring instrument?
How do you evaluate the effectiveness of financial instruments in transmission?
List any four instruments used in energy audit with their application.
List four relevant instruments to carry out energy audit in electrical laboratory.
What are the errors due to eddy current?
State the function of strain gauge. Give its types and explain the working of any one type of it.
State the different types of outdoor flood lighting and where they are used.
State the different types of generators and their applications.
Define isolator and state their types.
What does measuring the specific gravity of electrolytes indicates?
What is the concept of multimeter measuring?
What battery measurement is performed when measuring the electrolytes specific gravity?
Give some methods available for measuring three-phase power.
What are the units for measuring electricity?
What are the 3 digital instruments?
What instruments use amplifiers?
What is an amp for instruments?
State different types of holders used in wiring installation.
State any two types of lamps used in horticulture.
State the various types of Biomass Resources.
State two insulators of following types along with their areas of application: (i) Class A (ii) Class E (iii) Class H.
State the types of protections provided by MCB.
Explain the necessity of a starter for a DC motor. State various types of DC motor starters.
Explain the features of flexible AC transmission line (any four). State types of FACTS controller.
List out three types of buses. State their functions.
State the purpose of lighting control. List the different types of dimmer.
State two types of electronic dimmers.
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